Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/skimage/measure/_structural_similarity.py

@@ -0,0 +1,36 @@
+from warnings import warn
+from ..metrics._structural_similarity import structural_similarity
+
+__all__ = ['compare_ssim']
+
+
+def compare_ssim(X, Y, win_size=None, gradient=False,
+                 data_range=None, multichannel=False, gaussian_weights=False,
+                 full=False, **kwargs):
+    warn('DEPRECATED: skimage.measure.compare_ssim has been moved to '
+         'skimage.metrics.structural_similarity. It will be removed from '
+         'skimage.measure in version 0.18.', stacklevel=2)
+    return structural_similarity(X, Y, win_size=win_size, gradient=gradient,
+                                 data_range=data_range,
+                                 multichannel=multichannel,
+                                 gaussian_weights=gaussian_weights, full=full,
+                                 **kwargs)
+
+
+if structural_similarity.__doc__ is not None:
+    compare_ssim.__doc__ = structural_similarity.__doc__ + """
+
+    Warns
+    -----
+    Deprecated:
+        .. versionadded:: 0.16
+
+        This function is deprecated and will be
+        removed in scikit-image 0.18. Please use the function named
+        ``structural_similarity`` from the ``metrics`` module instead.
+
+
+    See also
+    --------
+    skimage.metrics.structural_similarity
+    """